Potential energy curves, transition dipole moments, and radiative lifetimes of KBe molecule

Wan Ming-Jie^{1, †}, Jin Cheng-Guo¹, Yu You², Huang Duo-Hui^{1, 3}, Shao Ju-Xiang^{1, 3}

(color online) Dipole moments for the X²Σ⁺, 2²Σ⁺, 3²Σ⁺, 1⁴Π, 2⁴Π, 1⁴Σ⁺, 2⁴Σ⁺, and 3⁴Σ⁺ states of KBe.